style(test): use a lower case to write the exponant values i order to homogenize the code

tests/testthat/test-RunModel_Lag.R

@@ -181,7 +181,7 @@ Qm3GR4Only <- OutputsGR4JOnly$Qsim * InputsModel$BasinAreas[2L] * 1e3
 test_that("1 input with lag of 1 time step delay out gives an output delayed of one time step", {
   OutputsSD <- RunModel(InputsModel, RunOptions, Param = ParamSD, FUN_MOD = RunModel_GR4J)
   Qm3SdSim <- OutputsSD$Qsim_m3
-  Qm3UpstLagObs <- c(0, Qupstream[Ind_Run[1:(length(Ind_Run) - 1)]]) * InputsModel$BasinAreas[1] * 1E3
+  Qm3UpstLagObs <- c(0, Qupstream[Ind_Run[1:(length(Ind_Run) - 1)]]) * InputsModel$BasinAreas[1] * 1e3
   expect_equal(Qm3SdSim - Qm3GR4Only, Qm3UpstLagObs)
 })
 
@@ -190,7 +190,7 @@ test_that("1 input with lag of 0.5 time step delay out gives an output delayed o
                         Param = c(InputsModel$LengthHydro * 1e3 / (12 * 3600), Param),
                         FUN_MOD = RunModel_GR4J)
   Qm3SdSim <- OutputsSD$Qsim_m3
-  Qm3UpstLagObs <- (Qupstream[Ind_Run] + c(0, Qupstream[Ind_Run[1:(length(Ind_Run) - 1)]]))/2 * InputsModel$BasinAreas[1] * 1E3
+  Qm3UpstLagObs <- (Qupstream[Ind_Run] + c(0, Qupstream[Ind_Run[1:(length(Ind_Run) - 1)]])) / 2 * InputsModel$BasinAreas[1] * 1e3
   expect_equal(Qm3SdSim - Qm3GR4Only, Qm3UpstLagObs)
 })